Chapter 4: Density, Pressure, Mass&Weight Flashcards
Formula for density?
Mass divided by volume
What is density?
How many particles are in an object and how close or far apart they are
How does pressure in a gas increase?
When particles collide
If the volume increased what would the pressure do?
Decrease
How do we measure temperature?
Degrees
How do we measure energy?
Joules
What’s absolute zero?
-273 degrees Celsius
What do particles do at absolute zero?
Nothing
How is power measured?
Watts
What is the proportion between watts and joules
1W= 1J transferred in a second
How can we show the efficiency in a diagram?
Sankey diagrams
Formula for weight
Mass x gravitational field strength
What is weight measured in?
Newton’s
What is mass measured in?
Grams
What is GFS measured in?
Newton’s per kilogram